Power distributing duplexer system

Abstract

A power distributing duplexer system is provided. In some aspects, the system includes a duplexer configured to couple an antenna to a transmitter and a receiver. The system also includes a balancing network coupled to the duplexer. The balancing network includes a network impedance. The balancing network is configured to adjust the network impedance to match an antenna impedance of the antenna. The balancing network includes a plurality of balancing network modules coupled to the duplexer. Each of the plurality of balancing network modules is configured to receive a portion of an output voltage from the duplexer.

What is claimed is: 
     
       1. A power distributing duplexer system, the system comprising:
 a duplexer configured to couple an antenna to a transmitter and a receiver; and 
 a balancing network coupled to the duplexer, the balancing network having a network impedance, 
 wherein the balancing network is configured to adjust the network impedance to match an antenna impedance of the antenna, and 
 wherein the balancing network comprises a plurality of balancing network modules coupled to the duplexer, each of the plurality of balancing network modules comprises a corresponding one or more balancing circuits, each of the balancing network modules being configured to receive a corresponding portion of an output voltage from the duplexer, reduce the received portion of the output voltage to obtain a corresponding step-down voltage, and provide at least a portion of the corresponding step-down voltage to each of the corresponding one or more balancing circuits. 
 
     
     
       2. The system of  claim 1 , wherein the output voltage is at least 7.5 volts. 
     
     
       3. The system of  claim 1 , wherein each of the plurality of balancing network modules comprises a corresponding transformer configured to receive the corresponding portion of the output voltage. 
     
     
       4. The system of  claim 3 , wherein the corresponding transformer of each of the plurality of balancing network modules is configured to reduce the corresponding portion of the output voltage to generate the corresponding step-down voltage. 
     
     
       5. The system of  claim 3 , wherein the corresponding transformer of each the plurality of balancing network modules is serially coupled to one another. 
     
     
       6. The system of  claim 3 , wherein the corresponding transformer of each of the plurality of network balancing modules is coupled to the corresponding one or more balancing circuits. 
     
     
       7. The system of  claim 6 , wherein the corresponding transformer of each of the plurality of network balancing modules comprises a corresponding primary inductor configured to receive the corresponding portion of the output voltage and a corresponding secondary inductor configured to generate the corresponding step-down voltage based on the corresponding portion of the output voltage. 
     
     
       8. The system of  claim 7 , wherein the corresponding secondary inductor comprises a first end and a second end, wherein the first end is coupled to a first one of the corresponding one or more balancing circuits, and wherein the second end is coupled to a second one of the corresponding one or more balancing circuits. 
     
     
       9. The system of  claim 6 , wherein each of the corresponding one or more balancing circuits comprises at least one switch. 
     
     
       10. The system of  claim 1 , wherein at least one of the plurality of balancing network modules comprises a transformer coupled to the corresponding one or more balancing circuits. 
     
     
       11. The system of  claim 1 , wherein the output voltage is evenly distributed among each of the plurality of balancing network modules. 
     
     
       12. The system of  claim 1 , wherein the transmitter comprises a power amplifier, wherein the receiver comprises a low noise amplifier, and wherein the balancing network comprises an active component. 
     
     
       13. The system of  claim 12 , wherein the balancing network is configured to match the antenna impedance and minimize a resistance of the active component. 
     
     
       14. The system of  claim 1 , wherein at least one of the plurality of balancing network modules comprises a transformer configured to reduce the received corresponding portion of the output voltage to obtain the corresponding step-down voltage. 
     
     
       15. A method for distributing power in a duplexer system, the method comprising:
 coupling, by a duplexer, an antenna to a transmitter and a receiver; 
 adjusting a network impedance of a balancing network coupled to the duplexer to match an antenna impedance of the antenna, the balancing network comprising a plurality of balancing network modules coupled to the duplexer, each of the plurality of balancing network modules comprising a corresponding one or more balancing circuits; 
 receiving, by each of the plurality of balancing network modules, a corresponding portion of an output voltage from the duplexer; 
 reducing, by each of the plurality of balancing network modules, the corresponding portion of the output voltage to obtain a corresponding step-down voltage; and 
 providing at least a portion of the corresponding step-down voltage to each of the corresponding one or more balancing circuits. 
 
     
     
       16. The method of  claim 15 , wherein each of the plurality of balancing network modules comprises a corresponding transformer that receives the corresponding portion of the output voltage. 
     
     
       17. The method of  claim 16 , wherein the reducing comprises reducing, by the corresponding transformer of each of the plurality of balancing network modules, the corresponding portion of the output voltage to generate the corresponding step-down voltage. 
     
     
       18. The method of  claim 17 , wherein the corresponding transformer of each of the plurality of balancing network modules is coupled to the one or more balancing circuits. 
     
     
       19. The method of  claim 15 , wherein at least one of the plurality of balancing network modules comprises a transformer, wherein the reducing comprises reducing, by the transformer, the corresponding portion of the output voltage to obtain the corresponding step-down voltage. 
     
     
       20. A power distributing duplexer system, the system comprising:
 a duplexer configured to couple an antenna to a transmitter and a receiver; and 
 a balancing network coupled to the duplexer, the balancing network having a network impedance, 
 wherein the balancing network is configured to adjust the network impedance to match an antenna impedance of the antenna, 
 wherein the balancing network comprises a plurality of transformers serially coupled to the duplexer, each of the plurality of transformers being coupled to two or more balancing circuits and being configured to receive a corresponding portion of an output voltage from the duplexer and reduce the corresponding portion of the output voltage to generate a corresponding step-down voltage, each of the two or more balancing circuits being configured to receive a portion of the corresponding step-down voltage.